Job Description

**Calling all innovators - find your future at Fiserv.** We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv. **Job Title** Staff Engineer - DeviceOS SecureOS Development **What does a successful Staff Engineer - DeviceOS SecureOS Development do at Fiserv?** The Clover DeviceOS team is at the core of our platform, building the software that powers every Clover device and ensures seamless manufacturing of tens of thousands of devices each month. As a Staff Engineer, you'll play a pivotal role in shaping our vision, driving innovation, and delivering high-quality solutions that enhance the experience for millions of users. If you're a hands-on engineer with a passion for cutting-edge technology, agile development, and solving complex challenges, we'd love to have you on our team! **What you will do:** + Develop and customize the Secure OS for Clover Point of Sale systems, ensuring security and efficiency. + Implement solutions that meet PCI-PTS and PCI-PIN compliance requirements for secure transactions. + Troubleshoot and resolve cryptographic issues, ensuring secure data transmission and storage. + Optimize symmetric and asymmetric cryptographic algorithms for embedded operating systems to enhance performance and power efficiency. + Port cryptographic libraries and security modules to Clover's embedded platforms. + Collaborate with hardware and software teams to integrate secure boot and trusted execution environments. + Work closely with manufacturing partners to develop and maintain tools for secure provisioning and production processes. **What you will need to have:** + Bachelor's Degree (preferably Computer Science or Engineering) or equivalent combination of experience, education and military. + 5+ years of software development experience, with a focus on security and secure consumer electronic devices. + Hands-on experience securing operating systems, including security hardening and threat mitigation. + Experience coding in C and at least one additional programming language such as Java, Kotlin, or Python. + Experience in asymmetric crypto algorithms. + Deep understanding of security protocols, encryption/decryption technologies, PKI, HSM, certificate management, TLS, and mTLS. + Experience working with programming languages requiring manual memory management. + Proficiency in revision control and code review tools like Git and Gerrit. **What would be great to have:** + Experience working with Java security APIs. + Experience in Physical security, Payment security standards, TrustZone and Android keystore. + Experience with developing a certified/regulated product (PCI, medical, automobile, high assurance computing, etc.). **Important info about this role:** + We're better together. This role is fully on-site. + In order to be considered, you must be legally authorized to work in the U.S. without need for sponsorship now or in the future. **Salary Range** $124,300.00 - $213,100.00 _These pay ranges apply to employees in New York and California. Pay ranges for employees in other states may differ._ It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran. Thank you for considering employment with Fiserv. Please: + Apply using your legal name + Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable). **Our commitment to Equal Opportunity:** Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law. If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com . Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv's Disability Accommodation Policy for additional information. **Note to agencies:** Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions. **Warning about fake job posts:** Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

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